diff --git a/Lib9c b/Lib9c
index 2d453d8a1..6d2edd01e 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 2d453d8a1ec08114893496f5b404d225fe757338
+Subproject commit 6d2edd01e7ca9d165bf160fa7fb561463013a636